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State which of the following are positiv...

State which of the following are positive ? `Cos 271^@`

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`cos 271^@` is +ve as `271^@` lies in 4th quadrant.
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MBD PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTION BANK
  1. State which of the following are positive ? Cos 271^@

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  2. State which of the following are positive ? sec 73^@

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  3. State which of the following are positive ? sin 302^@

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  4. State which of the following are positive ? cosec 159^@

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  5. State which of the following are positive ? sec 199^@

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  6. State which of the following are positive ? cosec 126^@

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  7. State which of the following are positive ? cos 315^@

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  8. State which of the following are positive ? cot 375^@

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  9. Express the following as trigonometric ratios of some acute angles. s...

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  10. Express the following as trigonometric ratios of some acute angles. t...

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  11. Express the following as trigonometric ratios of some acute angles. s...

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  12. Express the following as trigonometric ratios of some acute angles. c...

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  13. Express the following as trigonometric ratios of some acute angles. ta...

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  14. Express the following as trigonometric ratios of some acute angles. co...

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  15. Express the following as trigonometric ratios of some acute angles. co...

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  16. Express the following as trigonometric ratios of some acute angles.sec...

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  17. Find the domains of tangent and cotangent functions.

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  18. Determine the ranges of sine and cosine functions.

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  19. Find a value of A when cos 2A = sin 3A

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  20. Find the value of cos 1^@, cos 2^@ ….. Cos 100^@

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